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Stub Mandrel

The EQ3 DSO Challenge

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My latest results with the eq3. I went on a field trip to a darker skies location and I thought I should try to shoot the Rho Ophiuchi but until it rose a bit higher above the horizon I shot the M58, M87, M88, M89, M 90 and M91 group.

Guiding the mount went really well.

For the group of galaxies, I used my TS65quad and my moded 450d

And for the Rho Ophiuchi cloud complex I used a canon 200mm f2.8 stopped at f4 and my 450d

I hope you like them

LRM_EXPORT_20180509_163852.thumb.jpg.334f2ea135cd3e42b2aaf5371bf5e342.jpg

LRM_EXPORT_20180508_233018.thumb.jpg.82735a465efcd3bab454a32b3fad9f76.jpg

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42 minutes ago, emyliano2000 said:

And for the Rho Ophiuchi cloud complex I used a canon 200mm f2.8 stopped at f4 and my 450d

Well that second image proves the bumblebees can fly...

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My EQ3 submission is the Elephant's Trunk nebula.

Shot using my ES ED80 triplet APO and my Canon 60D

69x90sec light frames
29x dark frames
25x flat frames
50x bias frames

Stacked in DSS and processed in PS.

ET Nebula.jpg

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OK, I've now got an HEQ5 :eek:

But to bow out on a high note, here's M3 from 19 May. 12 600s subs, guided on the EQ3.

Updated - I excluded the three first subs that had a rather blue sky with the result the colour balance is far superior

M3.thumb.png.1a335c5283a16f9f2d796aed9502e08c.png

 

Edited by Stub Mandrel
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@Stub Mandrel

 I'm very interested to hear what you think about the heq5 vs the EQ3 when you get a chance to use it. And congrats on the upgrade. 🙂

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5 minutes ago, jjosefsen said:

@Stub Mandrel

 I'm very interested to hear what you think about the heq5 vs the EQ3 when you get a chance to use it. And congrats on the upgrade. 🙂

The heq5 is superior to the eq3 pro in every way - except price and portability! The eq3 pro on an heq5 tripod seems quite good :)

Louise

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Crescent Nebula from Saturday night, 60 x 45 seconds ISO 1600 plus bias and darks. Stacked in DSS and stretched in GIMP and PS express. I have flats to add so will reprocess and see if there's any improvement. 

IMG_8004.JPG

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49 minutes ago, Thalestris24 said:

The heq5 is superior to the eq3 pro in every way - except price and portability! The eq3 pro on an heq5 tripod seems quite good :)

Louise

I have no doubt.. But it would be interesting to see if for example there was a noticeable drop in average fwhm.

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I have the EQ3 Pro Synscan mount on the lightweight tripod. With my ES ED80 and my Canon 60D, I haven't noticed any issues thus far. Obviously, the HEQ5 will be more stable and able to take a significantly greater weight. However, portability was of primary concern to me and that's why I went with the EQ3 pro.

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Hmm… there are lots of factors that determine fwhm. Clearly, the heq5 is bigger, stronger, better and has better stepper motors. The eq3 has a low payload - ~5kg, I think, for imaging. But, certainly, with an heq5 tripod it seems to perform quite well. I probably wouldn't use it with more than about 500mm focal length. But it's portable, even with the heq5 tripod. The eq5 is the mount in between the two in terms of payload. It all depends what your looking for and how you're going to use it.

Louise

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2 hours ago, Thalestris24 said:

The heq5 is superior to the eq3 pro in every way - except price and portability! The eq3 pro on an heq5 tripod seems quite good :)

Louise

Now I need another EQ5 tripod... or maybe an EQ6 2" leg one for the EQ5?

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1 hour ago, jjosefsen said:

I have no doubt.. But it would be interesting to see if for example there was a noticeable drop in average fwhm.

I will post some comparable guiding graphs - once I have achieved more than 10 minutes of guiding!

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56 minutes ago, Stub Mandrel said:

Now I need another EQ5 tripod... or maybe an EQ6 2" leg one for the EQ5?

I just happened to have a 'spare' heq5 tripod as I put the heq5 mount on a pedestal. Otherwise I might have made do with the supplied eq3 pro aluminium tripod though it seemed a bit too lightweight to me.

Louise

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Saturday night I went for the Sadr region in Ha with a Canon 200mm f2.8 stopped at f4

LRM_EXPORT_20180522_004202.thumb.jpg.8389673e4d90039c8f0a81deb494d6f6.jpg

I'm pretty pleased with how it turned out. 24x600sec ISO1600 with my canon 600d full spectrum modified. I'm loving this little mount. Subarcsecond guiding, couldn't belive it.

IMG-20180519-WA0019.thumb.jpeg.b92cd298ea55f3ad1356e068c7f148c5.jpeg

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21 hours ago, emyliano2000 said:

Saturday night I went for the Sadr region in Ha with a Canon 200mm f2.8 stopped at f4

LRM_EXPORT_20180522_004202.thumb.jpg.8389673e4d90039c8f0a81deb494d6f6.jpg

I'm pretty pleased with how it turned out. 24x600sec ISO1600 with my canon 600d full spectrum modified. I'm loving this little mount. Subarcsecond guiding, couldn't belive it.

 

Stunning !

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On 22/05/2018 at 21:27, emyliano2000 said:

Saturday night I went for the Sadr region in Ha with a Canon 200mm f2.8 stopped at f4

LRM_EXPORT_20180522_004202.thumb.jpg.8389673e4d90039c8f0a81deb494d6f6.jpg

I'm pretty pleased with how it turned out. 24x600sec ISO1600 with my canon 600d full spectrum modified. I'm loving this little mount. Subarcsecond guiding, couldn't belive it.

IMG-20180519-WA0019.thumb.jpeg.b92cd298ea55f3ad1356e068c7f148c5.jpeg

That setup looks very cool! What kind of mounting plate is that?

Also what a great image, making me reconsidder getting an HA filter for my modded 600D

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16 minutes ago, jjosefsen said:

What kind of mounting plate is that?

SW-VIX-LOS-CLAMP-SET-DSC_4148-600w.jpg.0f27c52a5c14a447ce241780725f4a19.jpg

20180523_234110.thumb.jpg.b0355fea39781903c0746b3303d480d7.jpg

The rings for the 9x50 finder-guider are fixed on a altair astro vixen clamp.

1083274164_vixensyntadovetailclamp.thumb.jpg.a9c0e6eb38be1d8945337ad00ed8bccf.jpg

Edited by emyliano2000
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