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  1. Galleries
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  3. Astrophotography
  4. » The Eye of God

 
The Eye of God...

Astrofoto

View gallery (8 photos)

The Eye of God sent on November 14, 2023 (23:12) by Francesco Vaona. 6 comments, 466 views. [retina]

con Nikon TC-14E III, Posa B f/9.0, ISO 3200, tripod.

Stacking di 23 scatti, 50 s iso 3200



View High Resolution 3.8 MP  



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avatarjunior
sent on November 15, 2023 (5:50) | This comment has been automatically translated (show/hide original)

Did you use dark frames? They should help with noise, even the multiplier doesn't help because on an object like this the more light you collect the better. Then you could implement some star reduction techniques (including starnet and deconvolution).
Anyway there is a lot of signal Ha, if the room is not modified it is just great.

avatarjunior
sent on November 15, 2023 (8:21) | This comment has been automatically translated (show/hide original)

Hello. The reflex is modified. I left the noise reduction on long exposures in the camera so it makes the dark of each shot. I would like to understand if there are advantages to do the darks separately at the end of the session, beyond the time gain... I used the multiplier because at 500 mm I could see it really small, but maybe it's better to crop a little more and gain in brightness. It must be said that towards the south I always have a very bad sky background, too much light pollution...

avatarsupporter
sent on November 15, 2023 (8:40) | This comment has been translated

Beautiful!

avatarjunior
sent on November 15, 2023 (22:09) | This comment has been automatically translated (show/hide original)

I think doing Dark separated, then reunited via software is still better as a result. Then you save time (out of 100 shots, 20 dark ones would be enough, for example) and you can reuse them the next day (as long as the temperature hasn't changed drastically). So you take 50 shots one day and 20 dark, then the next day you take another 50 shots and by putting it all together you have a lot of signal and it takes you a similar amount of time to take only 25 shots.
Without the multiplier you gain additional exposure and could add an astronomik uhc-e filter

avatarjunior
sent on November 15, 2023 (22:19) | This comment has been automatically translated (show/hide original)

Thank you so much for the advice! Right now I'm doing a session for Andromeda and this time I'm doing separate darks, in fact it takes a lot less time like this. The filter you're talking about is to reduce light pollution I guess, I'll take a look even if I think the 95mm one will cost a lot! ? Thanks again!

avatarjunior
sent on November 15, 2023 (22:57) | This comment has been automatically translated (show/hide original)

Yes, the clip version is fine, so you can use it on any lens. I'll send you in mp some site that sells them.




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