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NGC 6992, Eastern Veil Nebula
(click for full resolution image)

Optics: Stellarvue SV115 f/7, Astro-Tech AT2FF Field Flattener
Camera: QSI 683wsg @ -25C
Filters: Astrodon Narrowband Filters (H-alpha 5nm, OIII 3nm)
Mount: Losmandy G11-G2 with Ovision Worm on RA
Guiding: OAG with Starlight Xpress Lodestar Auto Guider / PHD2 Guiding
Location: Alburg Springs, Vermont
Two-panel mosaic
9.5 hours exposure over 2 nights, 8/5/2013 - 8/6/2013
Ha:OIII 4h15m:5h15m (17x15m : 21x15m) binned 1x1
Captured with Sequence Generator Pro
Processed with PixInsight and Photoshop CS6