Michael A. Stecker
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Sky-Watcher Quattro 250P Askar 103 APO C-11 images My Astrobin Gallery |
![]() Garlic Nebula -- CTB1 (Caltech Obs) supernova remnant, aka: LBN 576 The Garlic Nebula is a faint supernova remnant in the constellation Cassiopeia. It was discovered at a Caltech Observatory in the 1950's as CTB1. This is a joint project of James Foster and Michael A. Stecker. file: GarlicNebJRF10Newt-HOORGB3C-asm.jpg Click here for higher resoloution image
Photographic Data
Date: October, 2024 telescope: Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector) Apereture: 10-inch (250 mm) Focal Ratio: f/4 FL= 1,000 mm cropped photo
mount:
iOptron CEM60 imaging cameras: ZWO ASI6200MM-Pro monochrome camera with filters cropped image exposure & filters: Astrodon Hydrogen-alpha, Oxygen III, &RGB filters were used with exposures of 270, 360, 43, 47, & 47 minutes respectively for just under 13hrs total exposure time processing ASI Studio and Adobe Photoshop Elements photographic site: Pinon Pines Estates (Frazier Park California) (Bortle 4 at 5,500 ft elevation) |