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Contains:  IC 1805, IC 1795, NGC 896
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IC 1805 - Heart Nebula - SHO - Esprit 80 - ASI1600MM - Wide Field, 





    
        

            Rowland Archer
IC 1805 - Heart Nebula - SHO - Esprit 80 - ASI1600MM - Wide Field

IC 1805 - Heart Nebula - SHO - Esprit 80 - ASI1600MM - Wide Field

Technical card

Resolution: 4443x3284

Dates:Oct. 5, 2017

Frames: 220x240"

Integration: 14.7 hours

Avg. Moon age: 14.47 days

Avg. Moon phase: 99.90%

Astrometry.net job: 1835582

RA center: 38.230 degrees

DEC center: 61.348 degrees

Pixel scale: 1.906 arcsec/pixel

Orientation: 280.211 degrees

Field radius: 1.462 degrees

Locations: Home Observatory, Wake Forest, NC, United States

Data source: Backyard

Description

The Heart Nebula was one of my first images processed using data from Deep Sky West's Tak 106, so I was very interested to see what I could do from my home pier in Wake Forest, NC, with the setup I've put together over the past year. You can see that one at https://www.astrobin.com/286491/

The image on this page came from 14.67 hours of data in October 2017, on the 5th, 6th, 7th and 18th with the 400mm focal length Esprit 80 and the ZWO ASI1600MM-Cool. Actually I threw out quite a few subs - I was aiming to get 100 frames each of S, H and O, and ended up with:

H = 83 x 240 sec
S = 73 x 240 sec
O = 64 x 240 sec

I'm still not sure where the "point of diminishing returns" is for my configuration - meaning how many subs are enough?

I processed this one with a straight Hubble palette - S=R, H=G, O=B. I did another blend that looks more pinkish - you can see that at https://www.astrobin.com/323631/

Comments and critiques are welcome!

Comments

Author

Vassar1976
Rowland Archer
License: None (All rights reserved)
640
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IC 1805 - Heart Nebula - SHO - Esprit 80 - ASI1600MM - Wide Field, 





    
        

            Rowland Archer

In these public groups

ZWO ASI1600MM/QHY163M