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About pi_co100

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  • Location
    Letchworth Garden City, UK
  1. The night of the 10th of April the seeing here in Letchworth was unusually good. Takahashi FC100DF f7.4 + Barlow 2.25x ASI1600MM-C, 100 frames stacked. High def viewing here: https://www.astrobin.com/full/400348/0/?nc=pieroc
  2. Thank you both! I will make sure the dewzapper is on next time and wait a bit longer before spending ££££s on some expensive filter....
  3. This is a picture I have taken on Thursday night with a Takahashi FC-100DF at f4.9. It is an LRGB composition using 34 frames of 30 seconds exposure for each L R G and B. I have used an ASI1600MM-C with the 36mm ZWO filters. Considering that the supermarket in front of my garden did not switch off (not even at 2am!!) their vast array of blue, white and yellow halogen lights illuminating the car park and pointing up at the sky and towards my garden, perhaps I should not be too disappointed with the result. I would be interested to know if the halos around the stars are a function of the filters I have (these the standard ZWO set which I bought one year ago) or they are just unavoidable in the circumstances as the stars are too bright. Also the rays of light on the bright stars - are they artefacts of the filters that better filters would remove? Higher resolution here: https://www.astrobin.com/full/374969/0/?nc=pieroc Thanks for feedback and comments! Piero
  4. There is some amazing work which most importantly will inspire more people getting involved with astronomy. With all the other submissions, I am somewhat perplexed by the choice of the winner. Incredible picture but is it an astronomy picture? there's little sky in there.:-)
  5. Here is the full Moon from the night of the 24th October. The image is a mosaic of 2 pictures taken with a Takahashi FC-100 at 1850mm focal lenght (obtained using a 2.5x barlow lens). Each frame is the average of 100 frames taken with a ZWO ASI1600MM-C. The images were processed with Autostakkert3 and RegiStax6. Full resolution here: https://www.astrobin.com/full/373708/0/?nc=user Comments and feedback are always welcome!
  6. Well, many thanks. I was very happy with the results. My interest in astrophotography started really last year when I travelled to the US to see and photograph the eclipse. With these new cameras, it seems there is hope even if you live in the centre of a town.
  7. Thank you all for your kind comments. I found these tutorials (http://www.lightvortexastronomy.com/tutorials.html) incredibly useful. Piero
  8. Like many here in the UK, after months and months of clouds, last weekend I finally had an opportunity to do some imaging. It was one of those rare days - or rather one of those rare nights - in which everything worked as hoped; even the supermarket carpark large yellow lights' in front of my garden shut down at 11pm bringing down the number of street lamps shining directly into my garden only to three! I have chosen as my first color attempt to a deep sky M101. Why? simply because since I took a test frame of this amazing galaxy I have been hooked! In the image there are also many little galaxies - I was not expecting to see so much from my light polluted back garden... The image was taken with a Takahashi FC100 at f4.9 mounted on an Avalon M-Zero and a ZWO ASI1600 imaging camera with RGB filters. Processed with Pixinsight. Luminance 30x60 seconds Red 20x60 seconds Green 20x60 seconds Blue 20x60 seconds Comments and feedback are welcome. Piero
  9. Fantastic!! I really love that area of the sky! Shame it is hard to see here in the UK... Piero
  10. I have a Telrad and I found little use for it from the skies I usually observe from. I suspect all of this is a matter of what you used to. My first telescope (a 114mm Newtonian) had a 6x30 finder and from that time I just got used to have a magnified finder - except for the last couple of years when I do not use any finderscopes, as my mount just goes where it is supposed to (and calibrates with Platesolve)! Piero
  11. Very good report. I wish the sky was clear around here! Piero
  12. Not at all... Wonderful color rendition!
  13. Wonderful image! Congratulations!
  14. Many thanks for the comprehensive response. That is super helpful. Filter-wheel mechanical issue - another thing to add to the list of what can go wrong. (and what can go wrong will go wrong! ) When we look at some incredible astro images that some of the very skillful astrophotographers take probably we do not realise the person who has taken the picture: - has a great deal of IT skills getting all the ASCOM drivers to work and related acquisition software - they have a good understanding of optics - they know all about autoguiding algorithms - they understand imaging processing very well - the know phoptography and astronomy - ... but most of all they are great detectives!
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