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ZWO FF80 with 0.7reducer, ASI 2600MC Pro, Optolong Ultimate Ha/OII filter, about 10hrs under Bortle 1/2 skies at Mono Lake.
The Jellyfish Nebula is a remnant of a supernova that occurred in the Milky Way between 3,000 and 30,000 years ago. The nebula occupies an area of 50 arcminutes, appearing larger than the full Moon. It has a spatial diameter of about 70 light years, The supernova event produced the nebula and a neutron star CXOU J061705.3+222127. The presence of the neutron star and the nebula’s location in a star forming region indicate that the remnant was created by a Type II supernova, one triggered by a rapid collapse of a star with a mass at least 8 times that of the Sun. The neutron star is moving away from the site at about 800,000 km/h.
NGC2174 The Monkey Head Nebula ZWO FF80 with 0.7 reducer,. Dual narrowband Ha/OII Optolong Ultimate filter, Home driveway Bortle 7/8 sky. About 4.5hr interrgation after midnight
The Polaris Nebula is a very faint section of nebulosity in the apparent direction of Polaris, the North Star. The nebula is an example of an Integrated Flux Nebula. These type of nebulae lie in the outer regions of our galaxy and consist of fine dust particles illuminated by reflecting light from the entire Milky Way Galaxy. These clouds are very subtle and present quite challenging targets to photograph.
Witches Broom (Western Veil)
Celestron EDGE 8 with 0.7 reducer, dual narrowband Ha/OIII filter 70 x 300s, SII/OII filter 57 x 300s, Bortle 8-9
Fleming's Triangular Whisp
Celestron EDGE 8 with 0.7 reducer, dual narrowband Ha/OIII filter 103 x 300s, SII/OII filter 75 x 300s, Bortle 8-9
Flying Dragons
Nebula Sh2-114 A very faint target, imaged here under Bortle 2 skies. I need to get more time on it, under really dark sky.
LBN576/CTB1 The Medulla Nebula
ZWO FF80 with 0.7 reducer,. Dual narrowband Ha/OII Optolong Ultimate filter, Bortle 2 sky
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Another very faint target. I had intended to get a full night (10hrs) imaging, but the sequence stopped short after about 3 hrs for unknown reason. I was surprised at how well the image came out after such a short integration time..
Pinwheel galaxy with added Ha
OSC no filter 6hrs at Bortle 2 site in Mojave Desert with added Ha using dual narrowband (7 nm Ha) filiter, 3 hrs in our driveway (Bortle 9).
After looping around the sun the comet displayed an anti-tail, made from dust that has recently been left behind by the comet in its orbital plane around the sun. When the Earth passed through this plane on October 14 this residual debris was illuminated by the sun and reflected back to Earth, giving the impression of a second, fainer tail.
An interesting aspect of an annular eclipse is the appearance of Baily’s beads. These are beads of sunlight either disappearing or reappearing through deep lunar valleys along the limb of the Moon. Although Baily’s beads can be seen at the centerline of the eclipse path, they appear for only for a few seconds. In contrast, at the edge of the path is it possible to see the beads speed up and slow down for a few minutes before and after peak obscuration. This is the so-called “grazing zone”. Whereas eclipse maps show straight lines representing the edges of a path, it is actually an irregular shape defined by the Moon's bumpy terrain. High-resolution data from NASA’s Lunar Reconnaissance Orbiter (LRO) now make it possible to plot the “grazing zone” on Earth, a region roughly 3 km wide. I used Xavier Jubier’s wonderful interactive Google eclipse maps to select a location in the Black Rock desert about 3 miles north of Fly Gyser,. a site I had long wanted to photograph and which was conveniently accessible later on the same day through a tour organized by the Friends of the Black Rock Desert. The eclipse would peak at 9.31 am, but the prospects of seeing it seemed poor when we crawled out from our tent at dawn to find the sky completely overcast with dark clouds. Over a few hours, however, the clouds started to thin. With only ten minutes to go we began to make out the largely eclipsed sun through the cloud, and a patch of blue sky drifted in the right direction to give a clear view at exactly the right time.
