M15 Globular Cluster Star Charts App, Astronomy eBook Deep Sky Map, DSS Image & Photos, Messier Marathon Quintent at Dawn

7  Reference Line Maps and DSS Images of M15.  This series of maps has been developed for use with the Reference Line Method.  It adapts well to both binoculars and telescopes.

Observing Notes:

1.  M15 is very easy to locate using the intersection of the two reference lines.

2.  Smyth’s description (References), “An extensive and magnificent mass of stars with the most compressed part densely compacted and wedged together under unknown laws of aggregation.”

Credits, Links & Resources:

  1. The images of  galactic position of eemission nebulae, star clusters and planetary nebulae relative to our own Sun  are provided courtesy of thinkastronomy.com.
  2. A complete online resource for  distances, sizes and locations of deep sky objects is available at seds.org.
  3. Sky and Tleescope’s This Week’s Sky At A Glance is worth checking before every stargazing session.
  4. Danko’s  Clear Sky Chart provides a 48 hour forecast of observing conditions for every  location  in North America.
  5. Reference Line Maps are produced by Project DeepSkyMap, a collaborative venture of observers who enjoy  knowing the heavens and  locating objects for themselves.
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Click on Cover of Field Guide to download free trial at Amazon

Fall Nights Deep Sky Field Guide for the Backyard

Get three for the price of one at Amazon. Each guide can be used simultaneously on a laptop, cell phone and the Kindle. Although these field guides are designed for the liquid ink technology used on the Kindle, you need not own a Kindle to use them. The free “Kindle for PC” from Amazon allows these maps to be used with no glare from a laptop. Additionally, the iPhone and iPad versions, also available at Amazon,are fantastic. Get FREE Samples of these field guides at Amazon: Fall Nights Deep Sky Field Guide or Deep Sky Naked Eye Field Guide

Confirmed by P. Messier Renaix     
Mapped by P. Messier Renaix     

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Project DeepSkyMap

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When entering observations, please include detailed descriptions of both your finding equipment and your observing equipment. To become a Project DeepSkyMap Contributing Observer, email deepskymap.org@gmail.com with a brief description of your observing history and equipment.
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