Category Archives: Sky 90 and SXVF-M25C

Star reduced Horsehead and Belt Stars of Orion

The Horsehead nebula and the Belt Stars of Orion region. This is a 2-frame mosaic using a single Sky90 and a single M25C OSC CCD. H-alpha and OIII data was also included. Imaging time around 4-hours (or more) per frame. … Continue reading

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Star reduced Orion nebula region

A star reduced version of the old Sword of Orion data.

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Star reduced Jellyfish nebula

As the title says 🙂 

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Star reduced Veil nebula

Here is another reprocess using the star reducer – this time the Veil nebula in Cygnus. I have only just noticed that it is this object that Russ Croman has used to demo his StarXTerminator program. I can see why … Continue reading

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Markarian’s Chain, M87 and an Asteroid.

This is a composite Sky90/M25C and Hyperstar 4/2600MC-Pro image of the Markarian Chain region. The Sky90/M25C data is 8-hours in total, and the Hyperstar 4/2600MC-Pro data is 32 x 4-minute subs taken last night. There’s 2 asteroids in the image … Continue reading

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La Superba from 22/03/2015

I managed to get 4-hours worth of 10-minute subs on La Superba last night using the mini-WASP array.  I composited this with around another 4-hours of data from a Sky 90/M25C combo – so around 8-hours in total using 10-minutes … Continue reading

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Witch’s Broom region in Cygnus – an M25C composite image

This is a composite image combining the recent 8 x 20-minute subs from the Hyperstar III with earlier Sky 90/M25C which incorporated H-alpha and OIII narrowband data.

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WZ Cassiopeiae – a Carbon star near Caph in the constellation Cassiopeia

WZ Cassiopeiae Star name:                                           WZ Cassiopeiae Other names: Constellation:                                      Cassiopeia Other ID:                                             SAO 21002, HIP 99, HD 224855, B+59 2810, PPM 11856 Magnitude:                                          6.772 to 7.215 Absolute magnitude:                            -2.7 +/- 1.0 Luminosity, Sun = 1:                           980 +/- … Continue reading

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SAO 12870 Carbon star next to Kemble’s Cascade in Camelopardalis

SAO 12874 and SAO 12870 Star name: Other names: Constellation:                                      Camelopardalis Other ID:                                             SAO 12874, HIP 17296, HD 22649, B+62 597, PPM 14446 Magnitude:                                          5.05 Absolute magnitude: Luminosity, Sun = 1: R.A. 2000:                                          03hr 42min 09.325sec Dec … Continue reading

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The reddest star in the sky – Mu Cephei, Herschel’s Garnet Star

Mu Cephei Name:                                                  The Garnet star Other names:                                      Herschel’s Garnet star Constellation:                                     Cepheus Other ID:                                             Erakis, HD206936, HR8316, SAO33693, HIP107259 Magnitude:                                         4.08 (variable) Absolute magnitude:                          -7.63 Luminosity, Sun = 1:                          370,000 (possibly as much as 600,000, uncertain figure) … Continue reading

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