Rechargeable Hair Dryer - Equipment (No astrophotography
网页2014年4月14日 · Rechargeable Hair Dryer - posted in Equipment (No astrophotography): I am thinking about getting a rechargeable hair dryer as a quick dew zapper. I know I can order one online. But does anyone know of a retail outfit that carries them? Every local store I have checked acts like they never heard of one. It seems to me that if rechargeable electric drills are the norm, then the electric hair ...
Eyepiece Dew Heaters - Eyepieces - Cloudy Nights
网页2023年9月26日 · Your breath is warm and moist. The moisture in it will condense if it comes in contact with the cool glass of the eyepiece. Your eye is warm and moist and that moisture can condense on the cool glass, too. You can try a hairdryer to remove the dew. I keep a 12 volt hair dryer handy when observing just in case all my other measures fail.
SCT Internal Condensation Issue - Cloudy Nights
网页2020年1月18日 · SCT Internal Condensation Issue - posted in Major & Minor Planetary Imaging: I have left my CPC-1100 and 8SE out in my astro-shed permanently since September. The shed is bone dry, but airy. Nevertheless I have both scopes and their respective mounts draped in large loose wheely-bin plastic bags (an over-cautious precaution, methinks). Today I noticed condensation on the primary mirror and the ...
New Oberwerk 20X65 ED Deluxe + 5000 Tripod - Cloudy Nights
网页Page 1 of 4 - New Oberwerk 20X65 ED Deluxe + 5000 Tripod ! - posted in Binoculars: Im excited to have my new binoculars and tripod delivered today by FedEx. It took a week from order to delivery, Ohio to Oregon. No visible damage to the outer 2 boxes. These were labelled with fragile- and do-not-drop signage. Inner boxes were separated within at each of the 8 corners by preformed foam packing ...
Dealing With Humidity and Sweat in the Summer - Cloudy Nights
网页2023年6月25日 · Cheap 12v hair dryer is a great idea. I have basically been doing what you suggest re: letting the EPs re-acclimate once back inside before capping and storage. I am glad to know that is a sound procedure. Thanks everyone. I have less anxiety about the EPs. I'll just have to keep working on the heat-acclimatization issue.
Usage of dew heaters? - Cloudy Nights
网页2017年11月29日 · If you are bringing a cool scope (for example, from your air conditioned house) outside, yes, do leave the lens cap on until the temp of the scope reaches the ambient temperature. Otherwise you will get instant dew. - NEVER use a hair dryer or even the gentler warm air dew zappers on your scopes.
Jupiter from Michigan CPC1100 dew out of control
网页Posted 05 September 2024 - 06:48 PM. As Mitchell notes, very nice colour rendering of a good image! Jupiter from Michigan CPC1100 dew out of control - posted in Major & Minor Planetary Imaging: Well the sky was clear, I checked the internet for a GRS transit, I set up my 11 scope and covered it, and set the alarm early to get up and image Jupiter.
Show me your secondary mirror dew heaters.. - Cloudy Nights
网页2010年5月16日 · The wrap around heaters are the easiest way to keep dew off the secondary, unfortunately you have to heat the holder as well this takes extra power to accomplish this. I use the DG-1 heater, this means removing the mirror from the holder and mounting the heater onto the back of the mirror. To retain the heat in …
POWERTANK BATTERY REPLACEMENT - Cloudy Nights
网页2014年11月11日 · Page 1 of 2 - POWERTANK BATTERY REPLACEMENT - posted in Equipment (No astrophotography): I have had a Celestron Power Tank (17 ah) for over a year and have not used it much but today it would not take a charge and I sent a faxed copy of the receipt and they are going to send a new one. Instead of trashing the old unit I decided to replace the battery with a 12v 20ah replacement that just drops ...
Ordered my QHY8 today.....any tips? - Cloudy Nights
网页2009年7月21日 · 3) What looks almost totally black in Nebulosity can have amazing colors and details with proper processing. 4) Set the gain to 1 and the offset to 110. 5) The QHY8 isn't any more sensitive than a typical DSLR. Long exposures are still necessary. 6) Light pollution seems to affect my QHY8 worse than it did my Canon.