Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5477
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m101_dcon_bandfix_clone, 



    
        

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m101_dcon_bandfix_clone
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m101_dcon_bandfix_clone

Imaging telescopes or lenses: AT6RC

Imaging cameras: Canon EOS 50D

Mounts: Orion SkyView Pro EQ

Guiding telescopes or lenses: Orion Finderscope 9x50

Guiding cameras: Meade DSI

Focal reducers: TeleVue TRF-2008

Software: PixInsight  ·  Binary Rivers Backyard EOS  ·  PHD guiding

Filters: Astronomik CLS Clip-Filter

Accessory: DIY Thermoelectric cooler


Dates:April 21, 2012

Frames:Astronomik CLS Clip-Filter: 67x300" (5h 35') ISO1600 17C bin 1x1

Integration: 5h 35'

Darks: 80

Flats: 80

Bias: 80

Avg. Moon age: 0.17 days

Avg. Moon phase: 0.03%

Bortle Dark-Sky Scale: 8.00

Temperature: 17.00


RA center: 14h03m31s.9

DEC center: +54°2125

Pixel scale: 0.881 arcsec/pixel

Orientation: -121.452 degrees

Field radius: 0.637 degrees


Resolution: 620x389

Description

5h35m on m101 (67x300s)

modified canon 50d

astronomik cls filter

at6rc + televue trf-2008

1100mm, f/7.2

processing in pixinsight 1.7

looks like i've got some flattening artifacts going on here... plus some ringing on the bright stars i only just noticed. sigh.

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m101_dcon_bandfix_clone, 



    
        

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