Object: The Tulip Nebula, also known as Sharpless 101 (Sh2-101) appears to resemble the outline of a tulip when imaged photographically. It was cataloged by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at about 6,000 light-years from Earth. Sh2-101, at least in the field seen from Earth, is near microquasar Cygnus X-1, the site of one of the first suspected black holes. Cygnus X-1 is located just out of the field of view of the photo.
This image uses the Hubble palette with narrowband filters for hydrogen alpha, oxygen III, and sulfur II.
Taken: June 29, 2022
Telescope: Astro-Tech 14” RC with Starizona Apex-ED L 0.65x focal reducer
Mount: Paramount ME II
Camera: ZWO ASI2600MM-Pro (cooled to 0C; Gain 100) Bin 1×1.
Guiding: No Guiding
Focuser: Moonlite Nitecrawler
Rotator: Moonlite Nitecrawler
Filters used: Chroma Ha, OIII and SII 3nm filters with a ZWO 7-position Electronic Filter Wheel (EFW)
Exposures: 60×90 seconds Ha; 60×90 seconds OIII; and 45×90 seconds SII for a total exposure time of 4.13 hours; calibrated with 40 dark frames, 40 flat frames with 40 dark-flats.
Seeing Conditions:
Image capture and telescope control: Nighttime Imaging ‘N’ Astronomy with (N.I.N.A.) / TheSkyX Pro with a SkyShed POD MAX observatory.
Processed with PixInsight, Photoshop CC 2022