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Contains:  NGC 1027, IC 1805, IC 1795, NGC 896
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IC1805 in HOO, 





    
        

            MicRaWi
IC1805 in HOO

IC1805 in HOO

Technical card

Resolution: 1650x1250

Dates:Sept. 30, 2017

Frames:
Baader LRGB 1.25'' Filters, Ha, SII, OIII: 6x300" -20C bin 1x1
Baader LRGB 1.25'' Filters, Ha, SII, OIII: 13x300" -20C bin 2x2

Integration: 1.6 hours

Darks: ~22

Avg. Moon age: 9.53 days

Avg. Moon phase: 72.05%

Astrometry.net job: 1756844

RA center: 38.230 degrees

DEC center: 61.207 degrees

Pixel scale: 7.509 arcsec/pixel

Orientation: 222.859 degrees

Field radius: 2.159 degrees

Locations: Home, Hornstein, Burgenland, Austria

Description

This is another attempt with a Nikon lens onto my CCD via the Geoptik adapter. This time I used the AF-S DC 55-300mm 1:4.5-5.6 at 300mm to capture the so-called heart nebula. Focussing was a bit tricky and after a while I decided to switch to 2x2 binning as the loss in resolution was moderate.
Exposures: 6x300s H-alpha 1x1 bin, 9x300s H-alpha 2x2bin, 4x300s OIII 2x2 bin.
Color mapping: L=R=Ha, B=G=OIII.

Comments

Author

MicRaWi
MicRaWi
License: None (All rights reserved)
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IC1805 in HOO, 





    
        

            MicRaWi