Traditionally, polar alignment is performed at night by aligning the telescope mount with Polaris in the Northern Hemisphere or σ Octantis in the Southern Hemisphere. However, daytime polar alignment can be challenging due to the absence of visible stars. In a recent video titled "POLAR ALIGN DURING THE DAY | Deep Sky Astrophotography," Ben from bbroastro introduces a practical solution to this challenge using the Skylabs Polar Alignment Adapter.
The Skylabs adapter is a 3D-printed device designed to facilitate daytime polar alignment. It consists of two main components: a Vixen-style plate and a phone holder. The Vixen-style plate attaches to the mount, while the phone holder secures a smartphone in place. Notably, the adapter includes various mounting holes to accommodate different orientations and mounts, and it even features a cutout for a QHY Polemaster, allowing for more precise polar alignment if desired.
Before beginning the alignment process, it's essential to ensure that your setup is level. Ben recommends using the built-in bubble level on the Star Adventurer mount to achieve a rough level. Additionally, it's crucial to point the mount towards true north. This can be accomplished using a compass app on your smartphone, but make sure the app is set to true north rather than magnetic north to avoid discrepancies.
Once the mount is properly oriented, the Skylabs adapter can be inserted into the saddle of the mount and locked in place, similar to attaching a conventional saddle. With the adapter securely mounted, you're ready to proceed with the alignment process.
For the alignment procedure, Ben utilizes an application called Polar Align Pro, which he has been using since he started with the Star Adventurer years ago. This app is particularly useful for daytime polar alignment. To begin, open the app and select the sun icon at the bottom to access the daytime polar alignment feature.
A word of caution: if you're wearing a smartwatch or any watch with metal components, it's advisable to remove it during this process, as it can interfere with the phone's sensors and affect the accuracy of the alignment.
The app will display a cross with circles, similar to other alignment devices like the Polemaster. By adjusting the azimuth alignment screws on your mount, you can align the crosshair to the center, achieving a coarse polar alignment. Ben notes that this method is particularly effective for wide-field imaging and solar imaging.
To assess the accuracy of the Skylabs adapter, Ben planned an imaging session targeting Messier 45, also known as the Pleiades star cluster. He used a ZWO 533 MC Pro camera paired with a Canon 100mm macro lens, mounted on the Star Adventurer. After performing the daytime polar alignment using the adapter, he began capturing images as soon as the sky darkened.
Despite some cloud interference, Ben managed to capture about an hour's worth of data on the first night. He was pleased with the performance of the setup and noted that the Skylabs adapter worked effectively, allowing him to achieve a satisfactory polar alignment during the day.
The Skylabs Polar Alignment Adapter offers several advantages for amateur astronomers:
The Skylabs Polar Alignment Adapter is a tool that allows for daytime polar alignment of equatorial mounts and star trackers. It is compatible with smartphones and the QHY PoleMaster for alignment. To use the adapter, a smartphone app is required. Supported apps include:
The adapter is available with different mounting options to support various equatorial mounts and trackers:
The adapter is available in different plate sizes to accommodate various smartphone dimensions:
In his video, Polar Align During the Day, Ben from bbroastro provides a detailed demonstration of how to achieve daytime polar alignment using the Skylabs polar alignment adapter. He explains that one of the biggest challenges in astrophotography is setting up when Polaris isn’t visible, whether due to obstructions like buildings or mountains, or simply because it's daytime. With the Skylabs adapter, astronomers can perform a coarse polar alignment during the day, making nighttime imaging more efficient. This is particularly useful for wide-field and solar imaging, where pinpoint accuracy isn’t as critical as with long focal-length telescopes.
Ben walks through the setup process, emphasizing the importance of leveling the mount using a built-in bubble level on the Star Adventurer mount. He also highlights the necessity of ensuring the mount is aimed at true north, not magnetic north, which can be checked using a smartphone compass app. Once the adapter is securely mounted, a smartphone can be placed in the holder to facilitate alignment. Ben notes that this adapter even has a cutout for the QHY Polemaster, allowing for even greater precision if needed.
A crucial part of the alignment process, as Ben explains, is using the Polar Align Pro app, which offers a dedicated daytime alignment feature. He demonstrates how the app provides a crosshair overlay that helps users adjust their mount’s azimuth and altitude knobs to get as close as possible to proper alignment. However, Ben gives an important tip: remove any smartwatches or other metal objects from your wrist while aligning, as they can interfere with the phone’s sensors and affect accuracy.
To test the adapter’s effectiveness, Ben decides to capture Messier 45 (the Pleiades star cluster) using a ZWO 533 MC Pro camera and a Canon 100mm macro lens. He successfully aligns during the day and later images the target under clear skies. Despite some cloud interruptions, he gathers an hour of data on the first night and later continues imaging across multiple sessions. He finds that the adapter holds alignment well, proving to be a valuable tool for quick and reliable polar alignment.
Ultimately, Ben believes the Skylabs polar alignment adapter is a great investment for astrophotographers, especially those using portable setups or planning to image solar eclipses. He emphasizes that while it may not replace high-precision alignment methods for long focal-length imaging, it is a game-changer for wide-field and solar work. As he says, having an adapter like this in your kit can save time and make imaging more enjoyable, eliminating the stress of nighttime setup.
In summary, the Skylabs polar alignment adapter is a valuable tool for amateur astronomers seeking to perform polar alignment during daylight hours. Its ease of use, affordability, and portability make it a worthwhile addition to your astrophotography toolkit. By enabling daytime alignment, it allows astronomers to maximize their imaging time and be better prepared for capturing celestial events.
For those interested in purchasing the Skylabs adapter or exploring other products from Skylabs, Ben mentions a 5% discount code available through a link in the video description. This offer provides an added incentive to consider this innovative tool for your astrophotography endeavors.
Remember, achieving precise polar alignment is fundamental to successful astrophotography. Tools like the Skylabs adapter can simplify the process, allowing you to focus more on capturing the beauty of the night sky. Happy stargazing!
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