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Description
Description
Sh2-91, is a supernova remnant in the Cygnus constellation. Much fainter than its neighbor the Veil Nebula it was only catalogues in 1959 as part of the Palomar Observatory Sky Survey. This filament is only a small part of the expending shell.Despite numerous challenges this is our first successful attempt at narrow-band mosaic imaging.(Source: Wikipedia)
Acquisition
Date 2022 Aug. 2nd - Oct. 18th Bortle scale 5 to 6Exposure 7h46H-alpha 166 x 300sOIII 67 x 120sAcquisition
Equipment
Facility Peepoodo Remote Observatory Location Graz, AustriaTelescope Lacerta Newton 200/800Imaging cam ZWO ASI 1600MM CoolCorrector GPU Optics coma corrector 1:1 Mount SkyWatcher AZ-EQ6 ProFilters Optolong H-Alpha 7nm Optolong OIII 6,5nm Optolong SII 6,5nmGuiding cam ZWO ASI 120MM MiniGuiding SkyWatcher Finder 8x50Accessories Lacerta Flatfield box Lacerta MFOC Processing Gimp, SirilAutomation Stellarmate, Ekos & KstarsEquipment
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