Legislative Rebuff

It appears that every single bill attempting to address Mauna Kea issues is dead, at least for the 2019 session.

The moon rising in partial eclipse over the mauna shadow
The moon rising in partial eclipse over the mauna shadow

March first is a deadline referred to as ‘first decking’ in local legislative lingo. This is the date by which the bill must be in final form to allow review before the final votes. No vote, no crossover, being passed to the opposite chamber, house or senate.

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Examining the Proposed Mauna Kea Rules

The University of Hawaii and the Office of Mauna Kea Management have released the latest version of their proposed public access rules for Mauna Kea. Along with the release is an opportunity to comment on the new rules.

Mauna Kea seen at dawn from Mauna Loa
Mauna Kea seen at dawn from Mauna Loa

Public comment on the previously proposed rule package was so overwhelmingly negative that the university was forced to withdraw the rules for revision. As this is round two, shall we take a look at the revised public access rules?

These rules will govern all public and commercial access to the summit of Mauna Kea. As such these rules should be of intense interest of anyone who travels to Mauna Kea. All island residents should be made aware of the contents of these rules as the mauna belongs to all of those who live in its shadow.

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Mercury at Maximum Elongation

Mercury, Venus and Jupiter
An evening conjunction of Mercury, Venus and Jupiter on 30 May, 2013

Today Mercury is passing through maximum elongation, the furthest it will rise above the setting Sun in the evening sky. After today the planet will slide back into the Sun’s glare headed for inferior conjunction on March 14th

This is a modest apparition, with the planet only 18° from the Sun at maximum. The next evening apparition in June is much better, reaching over 25° from the Sun.

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Keep it Running

Some equipment around the observatory is thirty or more years old. As you would expect, keeping it running can be a challenge.

A redesigned small signal PCB for an Inland Motor FCU-100-30 amplifier power supply
A redesigned small signal PCB for an Inland Motor FCU-100-30 amplifier power supply

There are two ways of dealing with this old equipment… Replacing it with something new is the preferred way. When it becomes difficult to locate spare parts, when it breaks down too often, just replace it with new gear. For much of the equipment this is the usual answer and is often a major part of the job.

Some equipment is not so easily replaced. When replacement would require wholesale redesign of a system it becomes more of a challenge. Sometimes the only choice is to keep that old gear running.

This is the case with our servo amplifiers. Twelve amplifiers supply the power that drives the telescope, one amplifier for each motor. Eight amplifiers and motors drive azimuth, four drive elevation. Three hundred and seventy tons moved by twelve relatively small DC motors. While much of the telescope control system was recently replaced, it was decided to keep the old servo amplifiers.

You might notice that these servo amplifiers are just a wee bit critical.

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Mauna Kea Rules… Take 2

After last year’s debacle that occurred when trying to introduce administrative rules for public and commercial access to Mauna Kea, the University of Hawaii is back with a heavily revised version.

The United Kingdom Infrared Telescope surrounded by the sunset crowd
The United Kingdom Infrared Telescope surrounded by the sunset crowd

How bad were the original version of the rules? In many areas they seemed to be badly thought out, with language far too expansive. Even a cursory reading reveals that the rules were not reviewed by someone familiar with some of the technical language used. Many of the proposed rules would have created safety issues, or even devoid of common sense.

It does appear that they actually listened to the criticism that was received in written form and at the public hearings. Many of the complete gaffes have been removed or reasonably revised.

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Full Moon

Full Moon
Full Moon taken 27Aug2007, 90mm f/12 APO and Canon 20Da

Full Moon will occur today at 05:53HST.

This full Moon will be a perigee full Moon, with the Moon appearing a bit larger and brighter. Today lunar perigee occurs within 7 hours of full, producing a full moon that is about 12% larger and 30% brighter than if full occurs while the Moon is at apogee.

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