First image of the Orion Nebula with the new QHY8L camera; it consists of 10 subexposures of 360 seconds and for the center another 5x40 seconds. Also 5 darks, 10 flats and 10 bias frames. All stacked in DSS, Fits Liberator and finally PS.
Saturday, November 30, 2013
M42 Orion nebula
First image of the Orion Nebula with the new QHY8L camera; it consists of 10 subexposures of 360 seconds and for the center another 5x40 seconds. Also 5 darks, 10 flats and 10 bias frames. All stacked in DSS, Fits Liberator and finally PS.
Thursday, November 28, 2013
ISON Perihelion
Comet ISON is approaching perihelion, stay tuned around 17:00 GMT time (UTC now) to watch live images at http://cometison.gsfc.nasa.gov/#.
Very nice site to follow, which i have been doing for a couple of months now is: http://www.brucegary.net/ISON/
It looks like ISON will hold during its journey around the Sun and we are in for quite a show in the days to come!
Clear skies!
Tuesday, November 5, 2013
Betelgeuse - the red supergiant
[WIKI]:
Betelgeuse, also known by its Bayer designation Alpha Orionis (α Orionis, α Ori), is the ninth-brightest star in the night sky and second-brightest in the constellation of Orion.
The star is classified as a red supergiant of spectral type M2Iab and is one of the largest and most luminous observable stars. If Betelgeuse were at the center of the Solar System, its surface would extend past the asteroid belt, possibly to the orbit of Jupiter and beyond, wholly engulfing Mercury, Venus, Earth and Mars.
Betelgeuse is roughly 1180 times the radius of the Sun — able to contain over 2 quadrillion Earths (2.15 × 10^15) or more than 1.6 billion (1.65 × 10^9) Suns. That is the equivalent of Betelgeuse being a football stadium like Wembley Stadium in London with the Earth a tiny pearl, 1 millimeter in diameter, orbiting a Sun the size of a mango.
Betelgeuse, also known by its Bayer designation Alpha Orionis (α Orionis, α Ori), is the ninth-brightest star in the night sky and second-brightest in the constellation of Orion.
The star is classified as a red supergiant of spectral type M2Iab and is one of the largest and most luminous observable stars. If Betelgeuse were at the center of the Solar System, its surface would extend past the asteroid belt, possibly to the orbit of Jupiter and beyond, wholly engulfing Mercury, Venus, Earth and Mars.
Betelgeuse is roughly 1180 times the radius of the Sun — able to contain over 2 quadrillion Earths (2.15 × 10^15) or more than 1.6 billion (1.65 × 10^9) Suns. That is the equivalent of Betelgeuse being a football stadium like Wembley Stadium in London with the Earth a tiny pearl, 1 millimeter in diameter, orbiting a Sun the size of a mango.
M13 - Globular Cluster in Hercules (NGC 6205)
M13 was discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764.
It is a globular cluster of aprox. 300.000 stars in the constellation Hercules at 25.100 light-years away from Earth.
M13 is about 145 light-years in diameter, the brightest star is the variable star V11 with an apparent magnitude of 11.95.
Here is my first try at M13 taken from the city:
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