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By endless-sky
I would like to share my fourth image.
With my "lucky week" of imaging, along with M33, I managed to finish also this project. This is my longest integration to date.
These are IC 405 and IC 410, also known as the Flaming Star Nebula and the Tadpole Nebula, respectively, taken over 7 nights, under my Bortle 5/6 home sky.
Total integration time: 18h 29m 00s.
Here are the acquisition details:
Mount: Sky-Watcher NEQ6 Pro
Telescope: Tecnosky 80/480 APO FPL53 Triplet OWL Series
Camera: D5300 astromodified
Reducer/flattener: Tecnosky 4 elements, 0.8x
Guide-scope: Artesky UltraGuide 60mm f/4
Guide-camera: ZWO ASI 224MC
2020/11/18: Number of subs/Exposure time: 41@240s + 1@300s. Notes: L-Pro filter, no Moon
2020/11/21: Number of subs/Exposure time: 48@300s. Notes: L-Pro filter, Moon 46% illuminated
2020/11/24: Number of subs/Exposure time: 48@300s. Notes: L-Pro filter, Moon 75% illuminated
2020/12/07: Number of subs/Exposure time: 15@300s. Notes: L-Pro filter, no Moon
2020/12/13: Number of subs/Exposure time: 22@300s. Notes: L-Pro filter, no Moon
2021/01/10: Number of subs/Exposure time: 37@300s. Notes: L-Pro filter, no Moon
2021/01/11: Number of subs/Exposure time: 18@300s. Notes: L-Pro filter, no Moon
Total exposure time: 66540s = 18h 29m 00s.
Pre and post-processing: PixInsight 1.8.8-7.
This image was particularly hard to process, since there are many bright stars and stretching the nebulosity while taming the stars was quite difficult. I am sure I didn't manage it as well as I would have liked.
Here's a link to the full resolution image: Flaming Star Nebula (IC 405) and Tadpole Nebula (IC 410)
Thanks for looking!
C&C welcome!
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By endless-sky
I would like to share my third image.
I finally had a "lucky week", since my last session, December 18th. I managed 5 clear nights out of the past 6 (has to be a record, at least for me and my area) and I was able to finish a couple of projects I had started long ago and start a few new ones.
This is M33, also known as the Triangulum Galaxy, taken over 10 nights, under my Bortle 5/6 home sky.
Total integration time: 10h 14m 00s.
Here are the acquisition details:
Mount: Sky-Watcher NEQ6 Pro
Telescope: Tecnosky 80/480 APO FPL53 Triplet OWL Series
Camera: D5300 astromodified
Reducer/flattener: Tecnosky 4 elements, 0.8x
Guide-scope: Artesky UltraGuide 60mm f/4
Guide-camera: ZWO ASI 224MC
2020/11/08: Number of subs/Exposure time: 11@240s. Notes: L-Pro filter, no Moon
2020/11/09: Number of subs/Exposure time: 10@240s. Notes: L-Pro filter, no Moon
2020/11/20: Number of subs/Exposure time: 15@240s + 4@300s. Notes: L-Pro filter, Moon 30% illuminated
2020/11/21: Number of subs/Exposure time: 22@300s. Notes: L-Pro filter, Moon 45% illuminated
2020/11/24: Number of subs/Exposure time: 20@300s. Notes: L-Pro filter, Moon 75% illuminated
2020/12/13: Number of subs/Exposure time: 12@300s. Notes: L-Pro filter, no Moon
2020/12/14: Number of subs/Exposure time: 8@300s. Notes: L-Pro filter, no Moon
2020/12/18: Number of subs/Exposure time: 6@300s. Notes: L-Pro filter, Moon 20% illuminated
2021/01/10: Number of subs/Exposure time: 9@300s. Notes: L-Pro filter, no Moon
2021/01/11: Number of subs/Exposure time: 15@300s. Notes: L-Pro filter, no Moon
Total exposure time: 36840s = 10h 14m 00s.
Pre and post-processing: PixInsight 1.8.8-7.
Image was Drizzle Integrated and then cropped to original sensor size (6016x4016), without resampling. So, it appears as if taken ad double the focal length (768mm instead of 384mm). Image scale 1.04 arc-sec/pixel.
Here's a link to the full resolution image: Triangulum Galaxy (M33)
Thanks for looking!
C&C welcome!
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By Gerr
The 6th January was clear and still and so at last a good night for imaging (not perfect as Moon was still waning).
My 8" SW 200P Reflector was wanting to be used and so it was carefully mounted onto the HEQ5 and payload maxed out with the imaging train.
Yeah I know - this combination is a big ask for the job (but an EQ6 is beyond me at the moment!). Anyway with careful balancing and hardly any wind it was worth trying!
Nebula were best targets and again new ones for me.
These were the Bubble Nebula, Cave Nebula and Monkey Head Nebula. The Optolong L-eNhance Dual Narrowband Filter was used for all images.
Usual calibration frames and dithered instead of Dark's. Other 'Astro Stuff' is in my signature.
Any constructive criticism's welcome.
Gerr
Images:
Bubble Nebula (Sharpless 162) 15x240secs (1 hour of data).
Cave Nebula (Sh2-155) 7x240secs & 23x300secs (2hrs 23 mins).
Monkey Head Nebula (NGC 2174) 44x240secs (just under 3hrs).
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By aramitsharma
Solar Setup for sale
I have put this on sale twice but had changed my mind both times, but think I can finally let this go:
Entire solar setup including:
Quark Chromosphere with power cable
Skywatcher ST102 with skywatcher autofocuser and Hitech Astro DC focuser controller- This makes fine focusing a breeze as you can focus right from the laptop screen covered with dark cloth without going to the telescope.
Baader UV/iR rejection filter 2”
Rowan astronomy tilt adapter to take care of Newton rings
Relevation astro 2” extender for straight through imaging
£1100 cash or bank transfer or paypal with fee(I had previously listed this for £1200). Pickup from London
The quark is good for imaging. Images have been published in Sky at Night, once in the magazine and once on the website.
Sample images attached. Setup shows entire setup (camera and mount not for sale)
Quark and accessories- £900
Scope with autofocuser and Hitec Astro DC focus- £175
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By endless-sky
I would like to share my second image.
This is IC 1499, also known as the California Nebula, taken over 4 nights, under my Bortle 5 home sky.
Total integration time: 10h 21m 00s.
Here are the acquisition details:
Mount: Sky-Watcher NEQ6 Pro
Telescope: Tecnosky 80/480 APO FPL53 Triplet OWL Series
Camera: D5300 astromodified
Reducer/flattener: Tecnosky 4 elements, 0.8x
Guide-scope: Artesky UltraGuide 60mm f/4
Guide-camera: ZWO ASI 224MC
2020/11/06: Number of subs/Exposure time: 23@180s + 41@240s. Notes: L-Pro filter, Moon 67% illuminated
2020/11/08: Number of subs/Exposure time: 40@240s. Notes: L-Pro filter, Moon 46% illuminated.
2020/11/09: Number of subs/Exposure time: 40@240s + 4@300s. Notes: L-Pro filter, Moon 35% illuminated
2020/11/12: Number of subs/Exposure time: 12@240s. Notes: L-Pro filter, Moon 8% illuminated
Total exposure time: 37260s = 10h 21m 00s.
Pre and post-processing: PixInsight 1.8.8-6.
Here's a link to the full resolution image: California Nebula (IC 1499)
Thanks for looking!
C&C welcome!
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