John in Scotland
LDN 1613 - Cone Nebula
Hubble's Variable nebula (NGC 2261) is top left - the shape and brightness slowly changes visibly over weeks and months, and the nebula looks like a small comet (Wikipedia).
Imaged on the 24th/25th of November 2023 from the Astronomical Society of Edinburgh's remote telescope facility in Trevinca, Spain.
Sharpstar 94 mm f/4.4 (with reducer) Triplet Apo Refractor
TS-Optics ToupTek Colour Astro Camera 2600CP
JTW mount
Optolong L filter
66 x 5 minute exposures (5 hours 30 minutes).
25 Flats, 25 Dark Flats and 25 Darks
Stacked by the ASERO Team
Processed with Siril (including Starnet Star Removal and Recomposition) and Gimp
LDN 1613 - Cone Nebula
Hubble's Variable nebula (NGC 2261) is top left - the shape and brightness slowly changes visibly over weeks and months, and the nebula looks like a small comet (Wikipedia).
Imaged on the 24th/25th of November 2023 from the Astronomical Society of Edinburgh's remote telescope facility in Trevinca, Spain.
Sharpstar 94 mm f/4.4 (with reducer) Triplet Apo Refractor
TS-Optics ToupTek Colour Astro Camera 2600CP
JTW mount
Optolong L filter
66 x 5 minute exposures (5 hours 30 minutes).
25 Flats, 25 Dark Flats and 25 Darks
Stacked by the ASERO Team
Processed with Siril (including Starnet Star Removal and Recomposition) and Gimp