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Contains:  NGC 5477, M 101, NGC 5457
Getting plate-solving status, please wait...
M101 @ 2 focal lengths (testing APM 1.5x Barlow), 





    
        

            Ivan Nair
M101 @ 2 focal lengths (testing APM 1.5x Barlow)

M101 @ 2 focal lengths (testing APM 1.5x Barlow)

Technical card

Resolution: 2847x2117

Dates:April 26, 2019April 27, 2019May 14, 2019

Frames:
ZWO B 36mm: 25x300" -10C bin 1x1
ZWO G 36mm: 25x300" -10C bin 1x1
ZWO L 36mm: 150x180" (gain: 75.00) -10C bin 1x1
ZWO L 36mm: 80x300" -10C bin 1x1
ZWO R 36mm: 25x300" -10C bin 1x1

Integration: 20.4 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 18.15 days

Avg. Moon phase: 58.58%

Astrometry.net job: 2702215

RA center: 210.798 degrees

DEC center: 54.360 degrees

Pixel scale: 1.047 arcsec/pixel

Orientation: 164.700 degrees

Field radius: 0.516 degrees

Data source: Backyard

Description

After imaging M101 for 2 nights @750mm I added a 3rd night of just Lum data with the APM 1.5x barlow giving an effective focal length of 1125mm @ f7.5

Comments

Author

Ivandn
Ivan Nair
License: None (All rights reserved)
1450
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M101 @ 2 focal lengths (testing APM 1.5x Barlow), 





    
        

            Ivan Nair