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31 Aug - Borg 107FL second light. NV and some planetary too

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Date: Fri 31st August 2018. 2145-0010hrs.

Scope: Borg 107FL f5.6 (focal length 600mm).

Eyepieces: Ethos 3.7mm(x162) & 6mm (x100)

Night Vision: PVS-14 with Photonis 4g INTENS. Night Vision Eyepieces: Panoptic 27mm (f5.4 x22) & 35mm (f4.2 x17), Plossl 55mm (f2.6 x11).

Filters: Astronomik 6nm Ha CCD, Astronomik 12nm Ha CCD.

Moon: 80% ☹️


Second time lucky?

After my problematic first light attempts on Wednesday, I was very keen to get outside again and see if I could turn things around. The weather had been nice all afternoon and the skies remained clear at 2100hrs as twilight came down. I got the Borg 107FL setup & mounted in the house, this time I had the dew strap and handset on as well, then opened the French doors are carried it out to the patio (it’s as light as a feather (almost))!


Still a couple more trips needed

After identifying all the bits needed to get going (on Wednesday), tonight I was more prepared and had my eyepiece case lid laden with the books, torches, pens etc that I needed. The night vision was setup and inside together with my Astronomik filters. Which just left my Battery box and the two power cables for scope & dew strap. Three trips needed in total (an improvement on the other night).


Am I in sync with SynScan?

Nervously, I powered up the scope, and entered the date & time into the handset. I had the 6mm Ethos loaded for alignment so pushed on and selected Altair (I have the star names coming up in Alphabetic Order now so this was an easy choice – another first night improvement!). I centred the star in the finder and it was nicely in the 100 degree FOV, I defocused it to a big ball then centred, down, left, up, right (as per my learnings from first light).

Next, onto Arturus and repeat the above.

“Alignment Successful” the handset announced.

I pressed the “Messier” button and entered “13” (which should be close by)

Slew… Slew…

I looked in the eyepiece and refocused, to my surprise there is was, M13, success at the first attempt! (That’s three hours saved on the first night) ?

I popped back inside to inform the Mrs that it was aligned and she was welcome to pop outside for some introductory Night Vision viewing at her convenience. (She is too short to use the dob – has to stand on a block of wood - and hates all the nudging, so this tracking mount is just what is needed).


Weather report

Moon – the Moon was due to rise at 2215 and I expected maybe an hour before it comes over the Pennines and next door. So, limited darkness. Up above the Milky Way was showing nicely at 2200 with two spiral arms seen meeting in Cygnus overhead with a lovely black band in-between. The Moon was a pain from about 2300 as expected.

Clouds – The first hour had clear skies, then cloud filled from the West and passed over. After that a layer of thin cloud remained but occasional patches were available.


Observing report of our targets

M13 – After viewing with the Ethos 6mm for a short while, I changed to the 55mm and added the PVS-14 Night Vision. M13 presented now as a lovely propeller, small but perfectly formed. Ideally I would have increased the magnification (DeLite 18.2mm) but she wanted to see some nebula.

Crescent – Starting with a bright easy target. I added the 6nm Ha CCD filter to the diagonal. With the 55mm Plossl, the crescent was small and clear to see, lacking some detail as I could not see the whole of the reversed “9” shape but it was early. The Mrs had a look after checking an image in Sky Safari “This is what you are going to see…” type of thing…

Gamma Cygni region – Very nice. Lush nebulosity was seen and panning round via the handset revealed plenty of lanes of nebulosity. I think I will be able to see plenty of Sharpless nebulas with this setup (but not when my wife is waiting for a sky tour!)

North American + Pelican – The NA was lovely and bright with a fainter Pelican sitting to the side. The beak of the Pelican was clear but the body section was incomplete. The brighter sections of the NA nebula stood out nicely. ?

IC1396 “Elephant Trunk” – IC1396 was visible tonight after being almost invisible two nights ago but there was still a lack of detail within IC1396 and no trunk. I would try again later when it’s darker.

Bubble This time I had three nebulous objects in the FOV (it was two on first light), the circular bubble was not visible at this low magnification, but I reckon I will get it on new moon with more magnification (Delite 18.2mm?). Sh2-157 was one of the patches in the FOV! - it was just possible to see the “heart” or “squid” shape sitting next to the Bubble nebula in direct vision. ?

Veil – The eastern section was very clear. Pickering’s triangle was faint but there and the western section slightly brighter too.

At this point, my wife decided she had had enough and cloud was pretty much everywhere. I could see two planets to the south and had no inclination to pack up my new scope until absolutely necessary!


You got to pick a planet or two

Saturn was up first. I removed the NV gear and inserted the Ethos 3.7mm. Saturn was nice and “contrasty” in the huge FOV but it was wobbly, wobbly, wobbly. I got a decent focus but there was no sign of Cassini division in the wobbly planetary image.

Ah well, on to Mars we go. Mars showed as a lovely bright orange disk. It had the wobbles too (just like Saturn) but I did my best to get the disk as sharp as possible and settled down on my chair to observe it. I could see a white patch at the top of the planet and a dark crescent like shape in the central region. I checked “orbit” in Sky Safari to get the current face and there was some dark stuff centrally. As I kept observing a second white cap became apparent on the bottom of the disk too.

The 3.7mm Ethos seems a good match to this scope, the exit pupil is larger (0.66mm) than the Borg89 due to the faster speed and I feel that it performed better in this session than I had managed with the smaller sister scope. The planetary images were bright and sharp, just need some decent conditions now…


Wonder if Sagittarius is still there?

The clearest part of the sky remained the low south, I had no clue whether Sagittarius was still above the horizon, but entered “M16” into the handset to find out…

M16 Eagle – The scope slewed to a stop and was clearly above the horizon. I put the 6nm Ha filter back in and the NVD + 55mm Plossl. I looked in the eyepiece and there was the Eagle head and body shining brightly. I could see extra nebulosity (other Sharpless) above and to the left of the Eagle. The edges of the Eagle were a bit fuzzy so the sky wasn’t top notch but at least I could see something.  I looked intently at the two central stars for the Pillars and a tiny black “V” was winking from there. I proceeded to change to the Pan35 for more magnification and now the Pillars of Creation were stable, tiny but stable. ?

Now I tried the Pan27 for more magnification but found the image a bit dark. I swapped in the 12nm Ha filter for more light to the NVD and was rewarded by a nice sharp view of the Pillars. The rest of the view was more washed out than with the 6nm Ha filter but the detail in the nebula was more easily seen!

M17 Swan – 55mm Plossl & 6nm Ha. Nice view of the bright main section with a very black hole in the circular section. The surrounding nebula was visible but not to the same extent as previous sessions with the Borg89. I could see some other Sharpless to the side of the Swan.

M8 Lagoon – Down to the Lagoon and the overall shape was large and clear. Again it was not the best I have seen it but it is low and the Moon was up.

Triffid – Always a nice object with NV. The black lines stood out clearly in the small flower shape. It looked best with the Pan35.


Get outside and look up

As Sky at Night like to keep telling us! I looked up and it had semi-cleared overhead, the “big W” was coming over the house and I wanted to try the Heart and Soul…

Heart – On Wednesday I got two bright small patches. Now I see lines of curving nebulosity tracing out a shape but it’s not a Heart. I was a bit puzzled but I concluded that there must be some strange reflections or something in this area of the sky as the Heart was “overwritten” by two circles of brightness. I panned around but these bright circular patches remained there in the exact same place each time? ?

Soul – That’s more like it, the foetus body was pretty clear, the head less so. By now, the moon was over next door and lighting up the patio.

CED214/NGC7822 – The “parachute” was a bit of a let-down. I could see a square patch and a sausage shape next to it but compared to the “wow” I got with the 20” this was pretty thin gruel.

I revisit some of the above targets, generally the moon was now in the way along with the ever present layer of thin clouds. At around 0010 I decided to give up.


Thoughts of the observer

It has been my experience that “first lights” are generally a disappointment but that “second light” gives you your mojo back. This indeed proved to be the case tonight. The SynScan trauma was forgotten and I actually felt some familiarity with the handset and its usage…

The 107FL performed admirably on the planets and it seems a good match for the Ethos 3.7mm SX so I was pleased about that.

I saw some great targets under a pretty dismal sky (apart from the first hour) and I have now forgetten how hard some of these targets used to be even on good nights.

The highlight for me was the unexpected sighting of sh2-157 and I think this bodes well for some serious Sharpless hunting come the new moon. I will target the large Sharpless with the Borg 107FL and the small Sharpless for the 20”…


Clear Skies,


Edited by alanjgreen
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The second light was a great success, even with the wobbly views... read like a good night.


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That's a lot of targets and a lot of very different targets all in one night with one scope. Very impressive to read.

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    • By alanjgreen
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      IC2177 Seagull nebula.
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      I now manually slew up from the Flame to find a thick horizontal nebula lane running across the full fov. I follow it right and then down and back under until I find myself back at the Orion nebula (M42). I guess this is Barnards Loop. I had earlier searched for it to the left of Alnitak (as that’s where it is with the dob but this “star diagonal” used in refractors regularly sends me the wrong way when I try to retrace the big dob steps!
      Angel Fish – Huge and bright. Way too big to see the fish at x11 magnification. I do my best to tease out some features but it is just too huge!
      NGC2174/Monkey’s head.
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      NGC2395 Medusa – A small shimmering crescent moon shape is observed.
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      NGC2359 Thor – A small faintish semi-circle.
      IC443/IC444, sh2-249 – The triplet of nebulas all fit into the fov and are a lovely sight that takes a good while to look around and take it all in. The Jelly fish (IC443) has lovely “tenticles” section that breaks backwards RHS. There is a small bright patch directly in front of IC443 (IC444) and then behind this the large oblong nebula structure sh2-249. I see the fine black lanes within sh2-249 next to Tejat Posterior (bright star).
      Sh2-265 – Picking another large Sharpless object, I headed for SAO 112667. I found a small bright patch (sh2-263) then above that a huge bright nebula that after slewing around, reminded me of a “walkie-talkie”. It had a pointed section at the upper LHS. And an interesting double lane at the lower sections.

      Sh2-260 – Next I picked sh2-260 (which I have only ever seen with the big dob). I slewed to SAO 112142 where I discovered a very large faint nebula shape. It was larger than the fov and seemed to appear as a “thin teardrop” shape. I cannot find any images of this so at the moment it is unknown to me.
      I noticed the sky brightening from around 0550hrs so I headed for a last look at the Rosette and Flaming Star regions before deciding to pack up at 0600hrs.
      I am glad that I made the effort to get up as I felt like I got “more than I imagined” from my session (which sent me back to bed happy, if a little cold – at least I had my hot water bottle to bring my feet back to life).
      I think that I have concluded that I need to get the widefield Borg 107FL out more frequently, when it’s cold then the dob in the shed is a much more appealing thought.
      -          I have added an unexpected 7 entries to the “Ag1-xx” nebula catalog for the unknown/extra patches that I will need to come back and confirm… (up to 97 entries now).
      I also now have some lingering memories to help me through the barren spell of the full moon (out here in the dark countryside, the full moon is a real killer!).
      Hope you enjoyed the read and my sketches!
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