View allAll Photos Tagged astrophotography
Flickr meeting with some friends: ::Maja, Sandor, JumpinJack and me. Nigt shooting on Pohorje on Areh.
Geo data: 46°29´41" N, 15°30´31" E.
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Another shot up against the back of the house. Venus, Mars and Saturn in the bottom left corner. On the previous exposure to this one the pivot lock wasn't done up tight and the camera tipped over during the exposure.
Dusted off my astrophotography gear after about 16 years of being stored away, Attached the D800 for another moon shot.
OBJECT INFO:
Messier 42, or the great Orion Nebula, is located about 1600 light years away. It is the largest and brightest star-forming region as seen from Earth, and is a great example of such a nebula (known as an HII region). Its centre is full of bright, blue O and B type stars, formed from the gas which they illuminate. Analysis of the light from this region has shown that the core area is actually a hollowed out shell, with an open front through which we see - likely the gas has been blown away by the strong winds of these stars.
The bright ball just below the core, separated by the dramatic dark dust lane, is actually the separate nebula Messier 43 (sometimes referred to as De Mairan's Nebula). The bright centre is the result of a separate cluster of stars from the cluster of M42.
The blue nebula to the left is known as the Running Man Nebula, known collectively as NGC 1973, 1975, and 1977, but mainly (and simply) just referred to as NGC 1977. This nebula contains an HII region, with bright blue young stars forming within it.
NOTES:
Since there was no guiding, about 33% of the shots showed trailing, and another 33% or so showed very slight trailing which didn't degrade the image noticeably when stacked. I'll probably have another go at it with an autoguider, and try a third set of exposures, to resolve the Trapezium cluster better (which was the point of the 60s exposures listed below).
LOCATION:
B-Scale: 4
At Torrance Barrens Dark Sky Preserve
EQUIPMENT:
Canon T3i (unmodded)
Celestron AVX Mount
Skywatcher 80ED (600mm f/7.5) (Unguided)
DATA:
15x 150s exposures @ ISO-3200
15x 60s exposures @ ISO-1600
5x Darks
9x Flats
PROCESSING:
Calibrated, aligned, stacked, and processed in Adobe Photoshop CS5.
Slight fine-tuning in Adobe Lightroom 4.2.
Elephant's Trunk nebula (IC 1396), interstellar gas and dust within the much larger ionized gas region located in the constellation Cepheus about 2,400 light years away.
Imaged October 30, 2015. ES 80mm. Ha-R-G-B.
As we say goodbye to summer, the brightest part of the Milky Way, the central bulge, sinks lower, earlier, each night.
I originally thought this was a Geminid meteor, but wiser folks tell me it's probably a satellite so I'll go with their knowledge.
Taken from the top of a hill outside my home town showing how bad the light pollution is it may look nice here but its a serious issue for astronomers wishing to image the night sky.