Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5477  ·  Pinwheel galaxy
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Pinwheel f/10 Test, PhilHD925
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Pinwheel f/10 Test

Getting plate-solving status, please wait...
Pinwheel f/10 Test, PhilHD925
Powered byPixInsight

Pinwheel f/10 Test

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Description

Test at the club dark site at f/10 with the 2400MC Pro.  I've had the .7x reducer for over a year and I have never been able to get acceptable stars in the corners with it.  This goes for 1" and 4/3 sensors as well.  Switching to f/10 until I figure the reducer out.  Just 2.3 hours worth at a bortle 3-3.5 site. Clouds rolled in and ruined a significant portion of the night--was hoping for 6 hours.  Couldn't take dark frames, seeing as I couldn't get my camera cold enough at home.  Yes, the fridge is an option, but I'm really nervous about using one with this expensive camera.  With zero amp glow, not taking them is not the end of the world.

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Pinwheel f/10 Test, PhilHD925